Collection of Mark Fenoglio
334 specimens published from MyMinerals 1.0

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Colemanite
No. 0075

U.S. Borax Mine
Boron, Kern Co., California

Bed of colorless, transparent blades (to 1.5 cm x 1.5 cm) on both sides of selender grayish-white matrix; blades reminiscent of stegosaurus plates; many clusters are twins; vitreous luster

Purchased in March 2001
ex. Jack Crawford
 
6.5 x 6.3 x 3.8 cm (small cabinet)

 

 
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